package com.yc.thread;

import java.util.concurrent.ConcurrentHashMap;

/**
 * 分段锁代表
 */
public class TestConcurrentHashMap {

    public static void main(String[] args) {
        TestConcurrentHashMap t = new TestConcurrentHashMap();

    }

    public void m1() {
        ConcurrentHashMap map = new ConcurrentHashMap();
        map.put("aa","bb");
    }
}
